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STK672-110-SL-E 데이터시트(PDF) 1 Page - ON Semiconductor |
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STK672-110-SL-E 데이터시트(HTML) 1 Page - ON Semiconductor |
1 / 11 page O1712HKPC 5-6405 No. A2139-1/11 http://onsemi.com Semiconductor Components Industries, LLC, 2013 June, 2013 STK672-110-SL-E Overview The STK672-110-SL-E is a hybrid IC for use as a unipolar, 2-phase stepping motor driver with PWM current control. Applications • Office photocopiers, printers, etc. Features • The motor speed can be controlled by the frequency of an external clock signal (the CLOCK pin signal). • The excitation type is switched according to the state (low or high) of the MODE pin. The mode is set to 2-phase or 1-2phase excitation on the rising edge of the clock signal. • A motor direction switching pin (the CWB pin) is provided. • All inputs are schmitt inputs and 40kΩ (typical: –50 to +100%) pull-up resistors are built in. • The motor current can be set by changing the Vref pin voltage. Since a 0.22Ω current detection resistor is built in, a current of 1A is set for each 0.22V of applied voltage. • The input frequency range for the clock signal used for motor speed control is 0 to 25kHz. • Supply voltage ranges: VCC = 10 to 42V, VDD = 5.0V ±5% • This IC supports motor operating currents of up to 1.8A at Tc = 105°C, and of up to 2.65A at Tc = 25°C. Ordering number : ENA2139 Thick-Film Hybrid IC 2-phase Stepping Motor Driver |
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